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  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <title>A canvas shadow text example</title>

<script src="../canvas.vml.js"></script>
<script src="../canvas.js"></script>

<script>
function oncanvasready() {
    drawShape(document.getElementById('vmlcanvas'));
}
function matrix() {
    drawShape(document.getElementById('vmlcanvas'), 1);
}

var globalAlpha = 1.0;
function switchAlpha() {
    globalAlpha -= 0.2;

    drawShape(document.getElementById('vmlcanvas'));
}

var shadowBlur = 0;
function switchShadowBlur() {
    shadowBlur += 2;

    drawShape(document.getElementById('vmlcanvas'));
}

function drawShape(canvas, matrix){
    if (!canvas.getContext){ return; }

    var ctx = canvas.getContext('2d');

    ctx.globalAlpha = globalAlpha;

    ctx.clear();
    if (matrix) {
        ctx.translate(-10, 5);
        ctx.scale(1.2, 0.8);
        ctx.rotate(5 * Math.PI / 180);
    }
    // create new image object to use as pattern
    var img = new Image();

    img.onload = function(){
        // create pattern
        var ptrn = ctx.createPattern(img,'repeat');

        ctx.textBaseline = "top";
        ctx.font = "36pt Arial";
        ctx.fillStyle = ptrn;
        ctx.strokeStyle = ptrn;

        var text = setShadow(ctx, "black", 10, 10, 4);
        ctx.fillText("fillText: "       + text, 20, 20);
        ctx.strokeText("strokeText: "   + text, 20, 80);
    }
    img.src = 'img/sky.jpg?' + (new Date).getTime();
}
function setShadow(ctx, color, ox, oy, blur) {
    ctx.shadowColor = color;
    ctx.shadowOffsetX = ox;
    ctx.shadowOffsetY = oy;
    ctx.shadowBlur = blur;
    return [color, ox, oy, blur].join(", ");
}
</script>
    <style type="text/css">
      body { margin: 20px; font-family: arial,verdana,helvetica; background: #fff;}
      h1 { font-size: 140%; font-weight:normal; color: #036; border-bottom: 1px solid #ccc; }
      canvas { border: 2px solid #000; float: left; margin-right: 20px; margin-bottom: 20px; }
      pre { float:left; display:block; background: rgb(238,238,238); border: 1px dashed #666; padding: 15px 20px; margin: 0 0 10px 0; }
    </style>
  </head>
  <body>
    <h1>A canvas <code style="text-shadow: 10px 10px 10px black">shadow text pattern</code> example</h1>
    <div>
      <input type="button" value="matrix effect" onclick="matrix()" />
      <input type="button" value="alpha -0.2" onclick="switchAlpha()" />
      <input type="button" value="shadowBlur +2" onclick="switchShadowBlur()" />
      <br />
      <canvas id="vmlcanvas" class="vml" width="620" height="150"></canvas>
      <pre>
function oncanvasready() {
    drawShape(document.getElementById('vmlcanvas'));
}
function matrix() {
    drawShape(document.getElementById('vmlcanvas'), 1);
}

var globalAlpha = 1.0;
function switchAlpha() {
    globalAlpha -= 0.2;

    drawShape(document.getElementById('vmlcanvas'));
}

var shadowBlur = 0;
function switchShadowBlur() {
    shadowBlur += 2;

    drawShape(document.getElementById('vmlcanvas'));
}

function drawShape(canvas, matrix){
    if (!canvas.getContext){ return; }

    var ctx = canvas.getContext('2d');

    ctx.globalAlpha = globalAlpha;

    ctx.clear();
    if (matrix) {
        ctx.translate(-10, 5);
        ctx.scale(1.2, 0.8);
        ctx.rotate(5 * Math.PI / 180);
    }
    // create new image object to use as pattern
    var img = new Image();

    img.onload = function(){
        // create pattern
        var ptrn = ctx.createPattern(img,'repeat');

        ctx.textBaseline = "top";
        ctx.font = "36pt Arial";
        ctx.fillStyle = ptrn;
        ctx.strokeStyle = ptrn;

        var text = setShadow(ctx, "black", 10, 10, 4);
        ctx.fillText("fillText: "       + text, 20, 20);
        ctx.strokeText("strokeText: "   + text, 20, 80);
    }
    img.src = 'img/sky.jpg?' + (new Date).getTime();
}
function setShadow(ctx, color, ox, oy, blur) {
    ctx.shadowColor = color;
    ctx.shadowOffsetX = ox;
    ctx.shadowOffsetY = oy;
    ctx.shadowBlur = blur;
    return [color, ox, oy, blur].join(", ");
}
      </pre>
    </div>
  </body>
</html>
